2013: Nippon Steel owns 33.3% stake in the Mozambique mine project and is looking to commence production in 2016. The Revuboe coal mine is estimated to have coking coal reserves of ~1.4 billion tonnes and is expected to produce 5 million tonnes of coking coal per year at its peak [which Nippon aims to reach by 2019].

2016: NSSMC is the largest shareholder in Japan's fourth-largest steelmaker Nisshin Steel with a stake of around 8 percent. NSSMC plans to increase this stake to somewhere between 51-66% in the next 18 months or so. Nisshin Steel will then become a subsidiary of Nippon Steel (around March 2017) but Nisshin Steel's shares will remain listed on the Tokyo Stock Exchange.

2016: The businesses of (i) Vallourec & Sumitomo Tubos do Brasil Limitada, which is a joint venture of Vallourec Group, NSSMC Group and Sumitomo Corporation, and is a Brazilian seamless pipe manufacturing company and (ii) Vallourec Tubos do Brasil S.A., which is Vallourec's fully-owned subsidiary of a seamless pipe manufacturing and sales company in Brazil, merged in October 2016 to become Vallourec Solucoes Tubulares do Brasil.